{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein"], "input": "Here we demonstrate that the endogenous thyroid hormone receptor alpha ( c-erbA/TR-alpha ) and the closely related retinoic acid receptor alpha ( RAR-alpha ) play a role in the regulation of normal erythroid differentiation ."}
{"cell line": [], "protein": ["thyroid hormone receptor alpha", "c-erbA/TR-alpha", "retinoic acid receptor alpha", "RAR-alpha"]}